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CVE-2026-14975— WP File Download <= 6.3.8 - Authenticated (Subscriber+) Arbitrary File Read via Path Traversal in 'remoteurl' Parameter

Quick assessment

Affected
JoomUnited WP File Download
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 的 WP File Download 插件在所有版本中（包括 6.3.8 及之前）均存在目录遍历漏洞，攻击入口为 参数。该漏洞允许拥有 Subscriber（订阅者）及以上权限的已认证攻击者读取服务器上任意文件的内容，而这些文件可能包含敏感信息。 具体攻击流程如下： 1. 拥有 Subscriber 权限的已认证攻击者首先通过未受保护的文件保存处理程序（ handler）篡改 后置元数据值（post-meta value）。 2. 随后，流式传输端点（streaming endpoint）在 钩

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1190.001
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I. Basic Information for CVE-2026-14975

Vulnerability Information
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Vulnerability Title
WP File Download <= 6.3.8 - Authenticated (Subscriber+) Arbitrary File Read via Path Traversal in 'remoteurl' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The WP File Download plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 6.3.8 via the 'remoteurl' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information. An authenticated attacker with Subscriber-level access first poisons the _wpfd_file_metadata['file'] post-meta value via the unprotected file.save handler, after which the streaming endpoint — hooked on init with no authentication requirement — resolves and streams the traversed file path to any caller, including unauthenticated visitors.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
JoomUnited WP File Download 0 ~ 6.3.8 -

II. Public POCs for CVE-2026-14975

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III. Intelligence Information for CVE-2026-14975

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News Coverage for CVE-2026-14975 (1)

Vendor Pages for CVE-2026-14975 (1)

IV. Related Vulnerabilities

Same product: WP File Download
Same vendor: JoomUnited
Same weakness: CWE-22

V. Comments for CVE-2026-14975

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